FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The ZNF91 gene encodes a zinc finger protein of the KRAB (Kruppel-associated box) subfamily (Bellefroid et al., 1991, 1993 [PubMed 2023909] [PubMed 8467795]).[supplied by OMIM, May 2010]